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Radiation flashes may help crack cosmic mystery

Faint, fleeting blue flashes of radiation emitted by particles that travel faster than the speed of light through the atmosphere may help scientists solve one of the oldest mysteries in astrophysics.
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Engineers sculpt 3-D particles with light

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MIT engineers have used ultraviolet light to sculpt three-dimensional microparticles that could have many applications in medical diagnostics and tissue engineering. For example, they could be designed to act as probes to detect certain molecules, such as DNA, or to release drugs or nutrients.

Were the first stars dark?

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Perhaps the first stars in the newborn universe did not shine, but instead were invisible "dark stars" 400 to 200,000 times wider than the sun and powered by the annihilation of mysterious dark matter, a University of Utah study concludes.

Venus Express Details Venusian Climate and Evolution

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Today, Venus is a hellish place of high temperatures and crushing air pressure. Venus Express is showing that this was not always the case. Instead, some time in the past, Venus was probably much more Earth-like and contained large quantities of water.

Intermediate Cellular Transport Gains Clarity

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A group of Purdue University researchers has captured a key step in the metabolic process that allows materials, such as nutrients and drug treatments, to move in and out of cells.

Embryonic Star Captured with Jets Flaring

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A developing star wrapped in a black cocoon of dust is seen sprouting giant jets in a new image from NASA's Spitzer Space Telescope.

Student Research Makes the Pages of Top Scientific Journal

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Leslie Haydens research into deep Earth interactions has led to some important findings, particularly for someone so new to the field, and the scientific world is paying attention.

New T-ray source could improve airport security, cancer detection

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"T-rays", a completely safe form of electromagnetic radiation, may reshape not only airport screening procedures but also medical imaging practices.

Voyager Spacecraft Will Reach Major Milestone in Late 2007 or Early 2008

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Using a computer model simulation, Haruichi Washimi, a physicist at UC Riverside, has predicted when the interplanetary spacecraft Voyager 2 will cross the "termination shock," the spherical shell around the solar system that marks where the solar wind slows down to subsonic speed.

UCLA mathematician works to make virtual surgery a reality

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A surgeon accidently kills a patient, undoes the error and starts over again. Can mathematics make such science fiction a reality?

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